X20C05

6

A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified)

Read Cycle Limits

X20C05-35

X20C05-45

X20C05-55

Symbol

Parameter

Min.

Max.

Min.

Max.

Min.

Max.

Units

Read Cycle Time

35

45

55

ns

Chip Enable Access Time

35

45

55

ns

Address Access Time

35

45

55

ns

Output Enable Access Time

20

25

30

ns

Chip Enable to Output in Low Z

0

0

0

ns

Output Enable to Output in Low Z

0

0

0

ns

Chip Disable to Output in High Z

15

20

25

ns

Output Disable to Output in High Z

15

20

25

ns

Output Hold From Address Change

0

0

0

ns

3827 PGM T10

Read Cycle

3827 FHD F05

Note:

from the point when

CE or OE return HIGH (whichever occurs first) to the time when the outptus are no longer driven.

tCE

tRC

ADDRESS

CE

OE

WE

DATA VALID

DATA VALID

tOE

tLZ

tOLZ

tOH

tAA

tHZ

tOHZ

DATA I/O

tOE

VIH